Cited by 267Stress Responses and CortisolNeuroendocrine regulation and behaviorChild Abuse and Trauma

An overview of maternal separation effects on behavioural outcomes in mice: evidence from a four-stage methodological systematic review

Tractenberg, Saulo G., Levandowski, Mateus L., de Azeredo, Lucas Araújo, Orso, Rodrigo, Roithmann, Laura G., Hoffmann, Emerson S., Brenhouse, Heather, Grassi-Oliveira, Rodrigo·2016·Neuroscience & Biobehavioral Reviews

Abstract

Early life stress (ELS) developmental effects have been widely studied by preclinical researchers. Despite the growing body of evidence from ELS models, such as the maternal separation paradigm, the reported results have marked inconsistencies. The maternal separation model has several methodological pitfalls that could influence the reliability of its results. Here, we critically review 94 mice studies that addressed the effects of maternal separation on behavioural outcomes. We also discuss methodological issues related to the heterogeneity of separation protocols and the quality of reporting methods. Our findings indicate a lack of consistency in maternal separation effects: major studies of behavioural and biological phenotypes failed to find significant deleterious effects. Furthermore, we identified several specific variations in separation methodological procedures. These methodological variations could contribute to the inconsistency of maternal separation effects by producing different degrees of stress exposure in maternal separation-reared pups. These methodological problems, together with insufficient reporting, might lead to inaccurate and unreliable effect estimates in maternal separation studies.

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Crossref · 10.1016/j.neubiorev.2016.06.021

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  • Early life stress is known to impair (non-stressful) learning and memory.

    “ELS – using a variety of models (Krugers and Joëls, 2014; Tractenberg et al., 2016) – is known to impair (non-stressful) learning and memory.”
  • A difficulty in characterizing the maternal separation literature is the wide variety of separation methods, control groups, and statistical methods used.

    “One difficulty in characterizing the maternal separation literature is the wide variety of separation methods, control groups, and statistical methods that have been utilized (Lehmann and Feldon, 2000; Tractenberg et al., 2016).”

    From The effects of early life stress on reward processing (2018) · cites this paper as Tractenberg et al., 2016

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Authors
Tractenberg, S. G., Levandowski, M. L., de Azeredo, L. A., Orso, R., Roithmann, L. G., Hoffmann, E. S., Brenhouse, H., & Grassi-Oliveira, R.
Affiliations
  • Pontifícia Universidade Católica do Rio Grande do Sul (BR)
  • Northeastern University (US)
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2016-09
Volume
68
Pages
489-503
ISSN
0149-7634 (ISSN-L)
OpenAlex
W2428176893
Cited by
267
References
138
Citations by year
2026: 9 · 2025: 22 · 2024: 31 · 2023: 30 · 2022: 33 · 2021: 32 · 2020: 42 · 2019: 26 · 2018: 20 · 2017: 20 · 2016: 2
FWCI
2.33
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
Keywords
maternal separation, early life stress, behavioural outcomes, mice, methodological heterogeneity, reporting quality, stress exposure, developmental programming
MeSH terms
Animals, Animals, Newborn, Behavior, Animal, Maternal Deprivation, Stress, Psychological, Reproducibility of Results, Mice

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